Index onlineMerchant portal
Api Endpoint

crypto-hash

Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.

Open interactive test console

Offering

Provider
webtools402.176-109-107-191.sslip.io
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://webtools402.176-109-107-191.sslip.io/crypto/hash
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
Crypto, keccak256, SHA256, selector, namehash, ENS, hash

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493"
  }
]

Observed health

Status
Healthy
Latest latency
363 ms
Average latency
965 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "algo": {
          "type": "string",
          "enum": [
            "keccak256",
            "sha256",
            "selector",
            "event_topic",
            "namehash",
            "labelhash"
          ]
        },
        "input": {
          "type": "string",
          "description": "String / signature / ENS name / 0x-hex"
        },
        "encoding": {
          "type": "string",
          "enum": [
            "utf8",
            "hex"
          ],
          "description": "How to read `input` for keccak256/sha256 (default utf8)"
        }
      },
      "required": [
        "algo",
        "input"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "algo": {
              "enum": [
                "keccak256",
                "sha256",
                "selector",
                "event_topic",
                "namehash",
                "labelhash"
              ],
              "type": "string"
            },
            "encoding": {
              "description": "How to read `input` for keccak256/sha256 (default utf8)",
              "enum": [
                "utf8",
                "hex"
              ],
              "type": "string"
            },
            "input": {
              "description": "String / signature / ENS name / 0x-hex",
              "type": "string"
            }
          },
          "required": [
            "algo",
            "input"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}